Flowmeter flow tube



FIG. 1 is a perspective view of a flowmeter tube embodying my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and

FIG. 5 is a side elevational view thereof; and

FIG. 6 is a side elevational view thereof as viewed from the side opposite FIG. 5; the end view not shown is a mirror image of the end view shown. 

The ornamental design for a flowmeter flow tube, substantially as shown and described. 